PERMFILE44465

• Permit No: M1980244
• IBM Index Class Name: Permit File
• Doc Date: 8/15/2002
• Doc Name: Draft NPDES Permit
• From: CDPHE
• To: DMG
• Media Type: D
• Archive: No

COLORADO DEPARTMENT OF HEATH, Wnrer Qualipr Division
Rationale - Pnge 6, Permit No. CO-0043648
V. PERFORMANCE HISTORY
A. MonitoringDnta
1. Discharge Monitoring Reports:TableV-lsummnrizestheefJluentdata reported ontlaeDischnrgeMatitoringReporrs
(DMR's) submitted by the CC&Vfi'om Jatuary 1997, through December 2001. Outfa11001A was the only outfall with
reportable discharges during this period.
Table V-1 -- Sel -Monitorin Results or Out a11001A
;°
Parameter , `, No. of
r Reporting Reported r;,
Concentrations Prevtous
- No of =~~
Limttahon
-,~. " _~ i
Periods o;
: f
Avg/Men/Max . - Lamttatton r -Exeurstoru
'
'
_„ ; Y
_
,
.
Flow, MGD
30-day avg. 60 0.0601/0.0017/0.35 Report -
Daily max. 60 0.1405/0.0037/1.008 Report -
TSS, tng/1
30-day avg. 60 4.63/0.0/31.0 20 1
Daily max. 60 6.88/0.0/31.0 30 1
Total Ammonia, as N, mg/1
30-day avg. 60 0.0087/0.0/0.221 0.2 I
Daily max. 60 0.013/0.0/0.221 Report NA
Total Nitrate Nitrogen, as N, mg/1
30-day avg. 60 13.67/4.70/19.1 Report NA
Daily max. 60 14.40/5.0/19.5 Report NA
Weak Acid Dissociable Cyanide, mg/1
30-day avg. 60 O.OOB4/0.0/0.037 0.021 5
Daily max. 60 0.015/0.0/0.068 0.27 0
Total Hardness as CaC03, mgA
30-day avg. 60 721/480/878 Report NA
Daily max. 60 761/499/946 Report NA
Total Recoverable Iror:, nrg/!
30-day avg. 60 0.07/0.0/0.71 3.0 0
Daily max. 60 0.11/0.0/0.75 52.0 0
Potentially Dissolved Zinc, mg/1
30-day avg, 48 0.285/0.085/0.539 1.70 0
Daily max. 48 0.309/0.085/0.648 Report 0
Potentially Dissolved Copper mg/1
30-day avg. 60 0.0132/0.0/0.047 0.039 1
Daily rnax. GO 0.0157/0.0/0.055 0.065 0
Potentially Dissolved Aluminum, mg/l
30-day avg. 60 3.73/0.858/11.0 22 0
Daily max. 60 4.77/0.858/19.0 32 0
PotentinllyDissolved Cadrnlmn, mg/l
30-day avg. 60 0.0031/0.0/0.006 0.017 0
Daily max. 60 0.0039/0.0/0.008 0.10 p
Potentially Dissolved Lean, mg/1 i
30-day avg. 60 0.0004/0.0/0.003 0.028 0
Daily max. 60 0.0004/0.0/0.003 0.6 0
Potentiall Dissolved Man anese, rn /1